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Unformatted text preview: Problem Solving (Part 2) 1 Importance of stating a problem How a problem is stated can affect its difficulty Acrobat and reverse acrobat problems (in book) Mutilated checkerboard problem A checkerboard consists of 64 squares. These 64 squares can be completely covered by placing 32 dominos on the board so that each domino covers two squares. If we eliminate two corners of the checkerboard, can we now cover the remaining squares with 31 dominos? Why or why not? Mutilated checkerboard problem Mutilated checkerboard problem Kaplan & Simon (1990) Presented four versions of this problem Versions differed in how much information was provided about the squares Used a thinkaloud protocol Problem Solving (Part 2) 2 Mutilated checkerboard problem Kaplan & Simon (1990) Results Problem was easiest to solve in the ____________ version Solved more quickly and required fewer hints Problem was hardest to solve in the ____________ version Conclusion Difficulty arises from finding the correct representation of the problem Ways to Facilitate Problem Solving Break the problem down into smaller parts Using analogies Using a solution to a similar problem to guide solution of a new problem Relevant terms Target problem Source problem Analogical transfer Analogical problem solving Problem Solving (Part 2) 3 Matchmaker problem (also Russian marriage problem) A heterosexual dating service has 64 members, equal #s of men and women, so there are 32 couples If two women leave the group, will there be 31 couples?...
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 Fall '08
 Fasig
 Holyoak

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